Decoding the digits. Dear ATVC: Polaris 96-53884 & EC38PLE05 Any information? There was a time when ATVs hadn’t yet adopted the standard VIN number system used today. Your numbers seem to point back to the 1996 Polaris Scrambler 400, the second of which is the crank shaft identification code. The Polaris Scrambler 400 boasted a […] More »

The older Polaris quads were unique to say the least. Dear ATVC: I have been brought a 1995 Polaris 300 4×4 that’s in parts. I have it mostly together now and am trying to find out what type of transmission fluid I can use as well where it goes. I also need to know what […] More »

Who needs liquid cooling anyway? Dear ATVC: After a lot of driving in this hot weather I notice my engine starts slower (but still starts and runs okay). So to help it out I’ve been putting 2 box fans right near the engine to help it cool after. I hadn’t thought about it but my […] More »

Time to do some investigating. Dear ATVC: My grandson drove our ATV with no gear oil, it locked up. I filled it up, it unlocked, rolled fine. The gears changes slightly hard at times, but now I’ve got a leak on the bottom left side of the crankcase cover. What is the problem and is […] More »

Dear ATVC: I have a 1988 Kawasaki Mojave 250. When I set it on timing and try to kick it over, both intake and exhaust valves open when piston is returning to TDC. I’ve got it in a trade so I can’t really tell you the history behind it but all I know is that […] More »

Dear ATVC: Sorry if this is a stupid but I have some questions about cams. What makes dual cams better than a single one and if they’re better why do some companies still make singles? Finally what is a “mild cam”? In its simplest, cams are used to open and close the intake and exhaust […] More »